tools/power turbostat: print power values upto three decimal

Print power values upto three decimal places in watts.

Suggested-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Sumeet Pawnikar <sumeet.r.pawnikar@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 993af623ae90ae8c756cb842b2457a9baf13824f..7c5578010a7168f610aec3506a7a3c496f0806a7 100644 (file)
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -4703,7 +4703,7 @@ int print_thermal(struct thread_data *t, struct core_data *c, struct pkg_data *p
 
 void print_power_limit_msr(int cpu, unsigned long long msr, char *label)
 {
-       fprintf(outf, "cpu%d: %s: %sabled (%f Watts, %f sec, clamp %sabled)\n",
+       fprintf(outf, "cpu%d: %s: %sabled (%0.3f Watts, %f sec, clamp %sabled)\n",
                cpu, label,
                ((msr >> 15) & 1) ? "EN" : "DIS",
                ((msr >> 0) & 0x7FFF) * rapl_power_units,
@@ -4767,7 +4767,7 @@ int print_rapl(struct thread_data *t, struct core_data *c, struct pkg_data *p)
                        cpu, msr, (msr >> 63) & 1 ? "" : "UN");
 
                print_power_limit_msr(cpu, msr, "PKG Limit #1");
-               fprintf(outf, "cpu%d: PKG Limit #2: %sabled (%f Watts, %f* sec, clamp %sabled)\n",
+               fprintf(outf, "cpu%d: PKG Limit #2: %sabled (%0.3f Watts, %f* sec, clamp %sabled)\n",
                        cpu,
                        ((msr >> 47) & 1) ? "EN" : "DIS",
                        ((msr >> 32) & 0x7FFF) * rapl_power_units,